text: # -*- encoding: utf-8 -*-
  #
  #  Copyright © 2019 Mehdi Abaakouk <sileht@sileht.net>
  #
  # Licensed under the Apache License, Version 2.0 (the "License"); you may
  # not use this file except in compliance with the License. You may obtain
  # a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  # License for the specific language governing permissions and limitations
  # under the License.
  
  from mergify_engine import actions
  from mergify_engine import branch_updater
  from mergify_engine import config
  
  
  class RebaseAction(actions.Action):
      is_command = True
  
      validator = {}
  
      @staticmethod
      def run(ctxt, rule, missing_conditions):
          if not config.GITHUB_APP:
              return (
                  "failure",
                  "Unavailable with GitHub Action",
                  "Due to GitHub Action limitation, the `rebase` command is only available "
                  "with the Mergify GitHub App.",
              )
  
          try:
              branch_updater.update_with_git(ctxt, "rebase")
          except branch_updater.BranchUpdateFailure as e:
              return "failure", "Branch rebase failed", str(e)
          else:
              return "success", "Branch has been successfully rebased", ""
  